ET WEB_SERVER WEBSHELL JSP/Backdoor Shell Access

Query · suricata

flow:established,to_server;
http.uri;
content:".war?cmd="; fast_pattern;
content:"&winurl=";
content:"&linurl=";
pcre:"/\.war\?cmd=[a-zA-Z0-9+/=]+&winurl=[a-zA-Z0-9+/=]*&linurl=[a-zA-Z0-9+/=]*/";
Raw source ET WEB_SERVER WEBSHELL JSP/Backdoor Shell Access · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
    msg:"ET WEB_SERVER WEBSHELL JSP/Backdoor Shell Access";
    flow:established,to_server;
    http.uri;
    content:".war?cmd="; fast_pattern;
    content:"&winurl=";
    content:"&linurl=";
    pcre:"/\.war\?cmd=[a-zA-Z0-9+/=]+&winurl=[a-zA-Z0-9+/=]*&linurl=[a-zA-Z0-9+/=]*/";
    reference:url,blog.malwaremustdie.org/2016/01/mmd-0049-2016-case-of-java-trojan.html;
    classtype:successful-admin;
    sid:2022348; rev:5;
    metadata:created_at 2016_01_12, signature_severity Major, updated_at 2020_10_05;
)

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